Weightless science aircraft – 4K

Watch in

en

Released

22/11/2016

Length

00:01:09

Copyright

ESA

Description

These images were taken during ESA’s 65th parabolic flight campaign from Bordeaux, France.

Riding at the top of the apex on a rollercoaster gives you that unmistakeable feeling that your innards are floating freely inside your body. For a brief moment, your body is weightless until gravity takes hold and you hurtle on to the next corkscrew roll or loop.

Parabolic flights exploit this same feeling but in overdrive. A refitted aircraft flies up and down at 45º angles – at the top of the curve the passengers and experiments experience around 20 seconds of microgravity. Before and after the weightless period increased gravity up to 2g is part of the ride.

Parabolic flights are useful for short-duration scientific and technological investigations in reduced gravity. These flights are the only way to test microgravity with humans without going through lengthy astronaut-training and flights to the International Space Station. For this reason, parabolic flights are often used to validate space instruments and train astronauts before spaceflight.

A typical parabolic flight campaign offers 30 periods of weightlessness per flight with three flights conducted over the course of a week. The aircraft can also fly in arcs that simulate lunar or martian gravity levels by adjusting the angle of attack.

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